test_add_free_space_entry
int test_add_free_space_entry(struct btrfs_block_group *cache,
ret = test_add_free_space_entry(cache, 0, SZ_4M, 1);
ret = test_add_free_space_entry(cache, next_bitmap_offset - SZ_2M,
ret = test_add_free_space_entry(cache, SZ_4M, SZ_1M, 1);
ret = test_add_free_space_entry(cache, 0, SZ_1M, 0);
ret = test_add_free_space_entry(cache, 0, SZ_1M, 0);
ret = test_add_free_space_entry(cache, SZ_1M, SZ_4M, 1);
ret = test_add_free_space_entry(cache, SZ_4M, SZ_4M, 1);
ret = test_add_free_space_entry(cache, SZ_2M, SZ_2M, 0);
ret = test_add_free_space_entry(cache, bitmap_offset + SZ_4M, SZ_4M, 1);
ret = test_add_free_space_entry(cache, bitmap_offset - SZ_1M,
ret = test_add_free_space_entry(cache, SZ_1M, SZ_2M, 1);
ret = test_add_free_space_entry(cache, 3 * SZ_1M, SZ_1M, 0);
ret = test_add_free_space_entry(cache, SZ_128M - SZ_256K, SZ_128K, 0);
ret = test_add_free_space_entry(cache, SZ_128M + SZ_512K,
ret = test_add_free_space_entry(cache, SZ_128M + SZ_128K, SZ_128K, 0);
ret = test_add_free_space_entry(cache, 0, SZ_128M - SZ_512K, 1);
ret = test_add_free_space_entry(cache, offset, bytes, 0);
ret = test_add_free_space_entry(cache, offset, bytes, 1);
ret = test_add_free_space_entry(cache, 0, sectorsize, 1);
ret = test_add_free_space_entry(cache, offset, sectorsize, 1);
ret = test_add_free_space_entry(cache, 0, SZ_4M, 1);